Developing a sustainable and innovative approach to urban design and leisure provision, Koo Jeong A has devised Evertro, a luminous skate park in Everton Park, Liverpool. The design incorporates the fluid slopes necessary for skaters and cyclists to play upon with a shapely sculptural form. Luminous material makes the installation available to skatyers and onlookers at all times of the day and night:

http://www.biennial.com/collaborations/wheels-park. Thanks to Jo Hudson for drawing this to my attention